  * {
      margin: 0;
      padding: 0;
  }

  .big_box {
      position: relative;
      width: 100%;
      height: 100%;
      background: url("https://chibaoshaitaiyang-1316184616.cos.ap-beijing.myqcloud.com/Rectangle%2064.png") no-repeat center center fixed;
  }

  body,
  html {
      height: 100%;
      overflow: hidden;
  }

  .header {
      position: absolute;
      left: 20px;
      top: 20px;
      width: 90px;
      height: 70px;
      /* background-color: pink; */
      text-align: center;
      line-height: 70px;

  }

  .p {
      width: 150px;
      height: 150px;
      margin-top: -30px;

  }

  .words {
      position: absolute;
      left: 200px;
      top: 280px;
      width: 245px;
      height: 100px;
      /* background-color: pink; */
      font-size: 50px;
      font-family: "宋体";
      color: white;

  }

  .words2 {
      font-size: 70px;
      width: 500px;
      font-family: "宋体";

  }

  .section_One {
      position: absolute;
      top: 215px;
      right: 220px;
      width: 430px;
      height: 300px;
      background-color: #9dc2ee92;
      border-radius: 25px;
      z-index: 100;
  }

  .section_One img {
      opacity: 0.5;
      filter: blur(7px);
  }

  .main {
      z-index: 999;
      position: absolute;
      right: 220px;
      top: 220px;
  }

  .title {
      width: 430px;
      height: 100px;
      /* background-color: orange; */
      text-align: center;
      line-height: 100px;
      font-size: 30px;

  }

  .ipt {
      position: relative;
      width: 370px;
      height: 100px;
      /* background-color: royalblue; */
  }

  .ipt div {
      width: 370px;
      height: 30px;

  }

  .id {
      position: absolute;
      left: 60px;
      border-radius: 5px;
      border: transparent;
  }

  #password {
      position: absolute;
      left: 60px;
      top: 45px;
      border-radius: 5px;
      border: transparent;
  }

  .btn {
      position: absolute;
      width: 237px;
      height: 35px;
      right: 107px;
      top: 219px;
      background-color: #438BF6;
      border-radius: 5px;
      color: white;
      text-align: center;
      line-height: 27px;
      border: transparent;
  }
  .btn:hover { 
    background-color: white;
    color: #438BF6;
    transform: scale(0.8) ;
    animation: .5s;
   

  }

  .many {
      font-size: 8px;
  }

  .wrong {
      font-size: 8px;
      color: red;
  }

  .right {
      font-size: 8px;
      color: green;
  }